The Indonesian meteorological and geophysics agency says no tsunami warning was issued after the quake Sunday, and there were no immediate reports of damage or injuries.
The US Geological Survey says the quake measured magnitude 6.0 and struck at a depth of 8.7 kilometres northwest of Dobo, about 3,000 kilometres east of Jakarta.
A resident contacted on the nearby island of Ambon said he did not feel the quake.
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